<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8" />
    <title>汽车引擎按钮</title>
    <style>
        body {
            perspective: 200px;
            background-color: #1b1b1b;
            perspective-origin: center;
            transform-style: preserve-3d;
            overflow: hidden;
        }

        #wrapper {
            transform: rotateX(15deg) translateY(-110px);
            transform-style: preserve-3d;
            text-align: center;
            position: relative;
            height: 99vh;
            display: flex;
            align-items: center;
            align-content: center;
            padding-top: 100px;
            transition: transform 1s;
        }

        div.outer-black {
            background-color: rgba(2, 2, 2, 0.85);
            margin-top: 200px;
            border-radius: 50%;
            width: 300px;
            height: 300px;
            margin: 0 auto;
            box-shadow: 1px 2px 1px 0px rgba(160, 160, 160, 0.7), -1px -1px 1px rgba(85, 85, 85, 0.7);
            transform-style: preserve-3d;
        }

        div.outer-iron {
            background: linear-gradient(135deg, #4c4c4e 0%, #414141 34%, #6a6a6a 55%, #212121 100%);
            width: 290px;
            height: 290px;
            margin-left: 5px;
            margin-top: 5px;
            border-radius: 50%;
            box-shadow: 1px 1px 4px rgba(138, 135, 135, 0.68) inset;
            overflow: hidden;
            position: relative;
            transform: translateZ(3px);
            transform-style: preserve-3d;
        }

        div.inner-black {
            width: 260px;
            height: 260px;
            background-color: #1e1e1e;
            position: absolute;
            top: 15px;
            left: 15px;
            border-radius: 50%;
            box-shadow: 3px 3px 1px 1px #505050 inset, 1px -1px 1px 1px #e6e6e6 inset;
        }

        div.inner-black-2 {
            width: 240px;
            height: 240px;
            border-radius: 50%;
            margin-left: 10px;
            margin-top: 10px;
            background-color: #101010;
            border: 1px solid rgba(94, 94, 94, 0.7);
            box-shadow: -2px -2px 1px rgba(168, 168, 168, 0.8) inset;
            transform: translateZ(5px);
        }

        div.inner-black-3 {
            width: 230px;
            height: 230px;
            margin-top: 5px;
            margin-left: 5px;
            background-color: #252525;
            border-radius: 50%;
            border: 1px solid #1c1c1c;
            box-sizing: border-box;
            box-shadow: -2px 3px 1px #5f5f5f inset;
        }

        div.glare {
            width: 220px;
            height: 250px;
            border-radius: 50%;
            background-color: #fff;
            margin-left: 35px;
            transform: translateY(-50px);
            box-shadow: 0 0 50px 37px #fff;
        }

        button.engine {
            -webkit-tap-highlight-color: transparent;
            background: #666;
            border-radius: 50%;
            width: 225px;
            height: 225px;
            margin-left: 2.5px;
            margin-top: 2.5px;
            border: 0;
            transition: all 0.1s;
            cursor: pointer;
            box-shadow: 0 0 10px 3px #000 inset, 0 -50px 100px rgba(0, 0, 0, 0.8) inset, 0 30px 60px rgba(0, 0, 0, 0.8) inset;
            box-sizing: border-box;
        }

        button.engine:focus {
            outline: none;
        }

        button.engine:active {
            box-shadow: 0 0 12px 5px #000 inset, 0 -60px 100px rgba(0, 0, 0, 0.8) inset, 0 50px 60px rgba(0, 0, 0, 0.8) inset;
            padding-top: 13px;
            background-position-y: 6.5px;
        }

        .light {
            width: 35px;
            height: 15px;
            margin: 0 auto;
            background-color: #212121;
            margin-bottom: 25px;
            border-radius: 7px;
            border: 1px solid #1b1b1b;
            transition: all 0.6s;
        }

        .engine.active .light {
            background-color: #f9ea1a;
            border: 1px solid #923c14;
            box-shadow: 0 0 11px 3px #c94a29 inset, 0 0 32px 6px #c77713, 0 0 100px #fff;
        }

        button.engine span {
            font-family: sans-serif;
            text-transform: uppercase;
            font-weight: bold;
            font-size: 30px;
            color: #212121;
            transition: all 0.6s;
        }

        button.engine.active span {
            color: #c5dea1;
            text-shadow: 0 0 15px #8ca579, 0 0 2px #fff;
        }

        button.engine span:first-of-type {
            font-size: 20px;
        }
    </style>
</head>

<body>
    <div id="wrapper">
        <div class="outer-black">
            <div class="outer-iron">
                <div class="glare"></div>
                <div class="inner-black">
                    <div class="inner-black-2">
                        <div class="inner-black-3"><button class="engine">
                                <div class="light"></div><span>Engine<br /></span><span>Start<br />Stop<br /></span>
                            </button></div>
                    </div>
                </div>
            </div>
        </div>
    </div>
    <script>var rotation = 20; window.addEventListener('load', function () { var btn = document.querySelector('.engine'); btn.addEventListener('click', function () { this.className = this.className.match('active') ? 'engine' : 'engine active' }) }); window.addEventListener('keydown', function (e) { var wrap = document.getElementById('wrapper'); if (e.keyCode === 38) { rotation += 5; wrap.style.transform = 'rotateX(' + rotation + 'deg) translateY(-110px)' } else if (e.keyCode === 40) { rotation -= 5; wrap.style.transform = 'rotateX(' + rotation + 'deg) translateY(-110px)' } });</script>
</body>

</html>